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Raising the Bar on Desktop VirtualizationUnderstanding the important considerations and use cases to make themost of your desktop virtualization initiative

AMarket Insight byFrost & Sullivan

in collaboration withCitrix and Cisco

www.frost.com

The modern workplace continues to evolve with demands for improved work mobility, newbring-your-own-device (BYOD) initiatives and a need for an increasingly agile, productiveand collaborative workforce. IT needs to balance these requirements with on-goingconcerns for data protection, compliance and security, as well as lower TCO and improveoperational efficiency.

Cisco and Citrix have teamed up to deliver an end-to-end desktop and applicationvirtualization solution that supports the disparate needs of various work-groups, whiledelivering an uncompromised user-experience that is efficient, mobile and secure. The CiscoDesktop Virtualization Solution with Citrix XenDesktop combines Cisco’s data centertechnologies together with Citrix’s industry-leading desktop and application virtualizationtechnologies to deliver increased business efficiency, productivity and agility and enables anexceptionally flexible and secure workspace on any device in any location.

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CONTENTS

INTRODUCTION ............................................................................................3

V (5) TOP-OF-MIND CONSIDERATIONS WHEN PLANNING FOR DESKTOPVIRTUALIZATION ..........................................................................................7

X (10) COMMON DESKTOP VIRTUALIZATION USE CASES: BUSINESS ANDTECHNOLOGY MOTIVATIONS FOR CONSIDERING A VIRTUAL DESKTOPSTRATEGY ......................................................................................................8

USE CASE # 1: ENSURING SECURE ACCESS AND COMPLIANCE .......................................8

USE CASE # 2 ENABLING BYOD (BRING YOUR OWN DEVICE) AND IT SUPPORTED DEVICES.......................................................................................................................................9

USE CASE # 3 ENSURING BUSINESS CONTINUITY PLANNING AND DISASTER RECOVERY ...................................................................................................................................10

USE CASE # 4 EMPOWERING MOBILE WORKERS AND ENHANCING USER PRODUCTIVITY............................................................................................................................11

USE CASE # 5 ENHANCING IT STAFF PRODUCTIVITY, AND SIMPLIFYING IT MANAGEMENT ...........................................................................................................................12

USE CASE # 6 WINDOWS 7 AND WINDOWS 8 MIGRATION .............................................13

USE CASE # 7 BRANCH ENABLEMENT..................................................................................14

USE CASE # 8 RIGHT-SIZING THE SOLUTION TO THE DESKTOP VIRTUALIZATION USE CASE DEPLOYMENT REQUIREMENT.......................................................................................15

USE CASE # 9 SUPPORTING BUSINESS GOALS FOR REDUCED IT COSTS .......................16

USE CASE # 10 ENABLING AGILE BUSINESSES ....................................................................17

I (1) INTEGRATED SOLUTION - THE BOTTOM LINE ..................................18

CONCLUSION ................................................................................................19

ABOUT CISCO ...............................................................................................20

ABOUT CITRIX ..............................................................................................20

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Frost & Sullivan

INTRODUCTION

In recent years, the user workspace has gone through major changes that untetherthe employee from the physical work environment, device and location, and allowgreater flexibility for time-slicing personal and work responsibilities. Organizationseverywhere must come to terms with this workspace evolution, either bysupporting true Bring Your Own Device (BYOD) or Corporate Owned PersonallyEnabled (COPE) devices coming into the workplace to augment or replace thetraditional PC. Work has now become more mobile, intimate and casual across arange of devices and locations. This is attributable to five key driving factors.

Figure 1: Factors driving evolution of workspace in the post PC era

Source: Frost & Sullivan

Consumerization of IT: The proliferation of multiple end-user devices is fastproving to be a game changer, especially in accessing corporate IT resources. Inaddition to utilizing standard devices provided by the IT department, employeeshave a strong preference towards using personal endpoint devices such asnotebooks, tablets and smart phones, in a workplace setting. For IT managers, theBYOD trend leads to a complex multiple device strategy and support matrix. Whileit presents new opportunties, it has created a potential minefield of complexities asIT seeks to align evolving user requirements with security and compliancedemands.

Growing Adoption of Cloud Computing: Cloud services are creating newchallenges for IT staff as they experience increased momentum and gain criticalmass in a growing number of enterprises. IT managers are feeling increasingpressure from top management to adopt cloud services, which can offer multi-foldbenefits. Many IT departments view data storage and back up, communication andcollaboration services, and Infrastructure as a Service (IaaS) as early use casecandidates for cloud service adoption.

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Increasingly Global and Mobile Workforce: Workforce mobility is provingattractive to businesses that believe that, by freeing the worker from theconstraints of the physical workplace, they can attract the best talent and increaseproductivity regardless of location. Most users today are also demanding anywhere,anytime access to information, in line with the emergence of new work styles andan increasingly global and mobile workforce. These trends are driving IT to findsecure, reliable ways to deliver a complete workplace environment.

Centralization of IT Infrastructure: Enterprise IT architectures are witnessingincreasing centralization. What originated primarily as a means to bring about costefficiencies through a utility-based pricing model has evolved. This shift is affectingthe way IT is procured and delivered.

Green/Power Savings: Green IT is becoming an increasingly importantconsideration not only for businesses, but also for the prospective talent that theywant to attract. Enterprises today are highly focused on cost efficiencies and goinggreen helps to reduce IT costs. Users are also becoming concerned about theirimpact on the environment.

Additionally, the rapid evolution of end-user preferences, usage patterns anddisruptive technologies has translated the management of endpoints into a complexexercise for IT departments, giving rise to new challenges for IT managers.

Figure 2: Challenges in managing today’s multiple endpoints

Source: Frost & Sullivan

Regulatory Compliance: Regulatory guidelines for sensitive information acrossmost industries, such as Payment Card Industry Data Security Standards (PCI DSS)and the Data Protection Act in the UK, mandate that the organization knows whereits data is stored at all times. With shadow IT kicking in with penetration ofpersonal devices and the use of third-party applications not authorized by the ITteam, tracking data location at all times is becoming an increasingly challengingexercise for most IT executives.

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Loss of Intellectual Property: The ability to store data and information on adevice, which the organization has not secured, may lead to loss of sensitiveinformation or even intellectual property if the device is lost or stolen. The inabilityof the organization to track or remotely manage/erase data stored on these devicesis a major concern for such losses. Furthermore, the ease of using cloud storagesolutions has further compounded these issues.

Lack of Business Agility in a PC World: The business environment today ishighly dynamic in nature and businesses need to be agile to respond to changingmarket conditions. As a result, employees, especially C-level executives and seniormanagement, are demanding anytime anywhere access to important tools such as e-mail, collaboration and important data. PCs and laptops are no longer sufficient tomeet these demands. Employees are demanding access to IT resources throughtheir mobile devices.

Huge Maintenance Costs: Maintaining standard company issued endpointsinvolves significant costs in terms of management solutions costs and humanresources. With employees increasingly using non-standard devices, theorganization has to provision for a more diverse environment and invest insolutions and human resources to manage this increasingly complex endpointenvironment.

Loss of Productivity: With new technologies, such as unified communications,mobility and cloud computing, the dependence on IT infrastructure has increasedmany fold over the last five years. Any downtime in IT environments can lead tosignificant loss of employee productivity. This may lead to loss of revenues too, ifkey employees do not have access to essential data to undertake their tasks, suchas a sales manager is unable to access customer records due to unavailability of theCustomer Resource Management (CRM) solution.

The Cisco Desktop Virtualization Solution with Citrix XenDesktop

The Cisco Desktop Virtualization Solution with Citrix XenDesktop consists of aportfolio of validated designs tailored to various scale, performance and deliverymodel requirements.

With these solutions, Cisco and Citrix are collaborating to help businessesaccelerate successful adoption of virtual application and desktop strategies so theycan realize the full potential business value. The combined solution addresses acommon vision of the changing workplace and aims to deliver the software, end-to-end networking, and a virtualization platform needed to empower IT departmentsto navigate today’s rapidly changing business environment. The combined DesktopVirtualization Solution is a key pillar of the Cisco and Citrix strategy for enterprisemobility. It aims to provide a complete, integrated stack, designed to help IT todeliver appropriate mobile access to all applications, data, and communicationsservices whether delivered virtually, natively or through web or SaaS models.

Building upon Cisco’s capabilities in networking and the data center, along withCitrix’s capabilities in virtualization and the delivery of desktop and applicationvirtualization, the combined solution can help businesses to cost effectively deployvirtual workspaces to all the PCs, Macs, tablets, smart phones and thin clientsowned by the organization or alternatively by employees and partners. The solutionalso raises the bar by expanding the set of user work-styles and workgroups thatcan be supported – from simple hosted virtual applications and virtual desktops, tomore sophisticated virtual workspaces that also support rich media, voice andvideo.

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The Cisco and Citrix Desktop Virtualization Solutions deliver a flexible, secure anduncompromised desktop and application virtualization experience. These claims areexplained in Figure 3 below.

Figure 3: Key characteristics of Cisco Desktop Virtualization Solutionswith Citrix

Source: Frost & Sullivan

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V (5) TOP-OF-MIND CONSIDERATIONS WHEN PLANNING FORDESKTOP VIRTUALIZATION

Figure 4: Five important considerations when planning desktopvirtualization

Source: Frost & Sullivan

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X (10) COMMON DESKTOP VIRTUALIZATION USE CASES: BUSINESS AND TECHNOLOGYMOTIVATIONS FOR CONSIDERING A VIRTUAL DESKTOP STRATEGY

This section explores the ten common use cases of desktop virtualization to understand the challenges withtraditional desktop environments and how desktop virtualization meets the demands of businesses, end-users andIT managers.

Use Case # 1: Ensuring secure access and compliance

Organizations face a variety of regulatory requirements to keep informationprivate and confidential with controlled access. This is even more importanttoday, in light of the recent instances of attacks on similar data stored withlarge global organizations and the trend towards use on non-corporatemanaged devices. Security is not limited to access of sensitive information; italso encapsulates malware that is highly prevalent today.

Compliance is a necessity for businesses. Most businesses need to adhere tomultiple local and international regulatory requirements – these may includeindustry, state, or country requirements.

Typical challenges & key considerationsAs organizations look at desktop virtualization for secure access andcompliance, IT executives should consider:

Centralized user data translates into a more confined attack surface on•the organization’s IT systems. It is essential to have significant safetymeasures around this.

Desktop virtualization drivers for secure access and complianceIn this scenario, desktop virtualization offers IT executives the ability to:

Enhance threat detection and isolation – As all data resides•centrally, it is easier to detect threats or malware and isolate it,eliminating the chances of expansion of the threat vector. Users are ableto access only the content that is identified to be safe to use by thesecurity solutions in place.

Complete control over end-points reduces risk – Desktop•virtualization shifts control of end-points to IT. With all data beingtunneled through a secure network and the organization’s firewall, the ITteam can restrict usage and better manage potential security risks. Inaddition, the loss of data through physical drives is eliminated.Application activity monitoring can also be enabled throughcentralization of control. Network access for BYOD still needs to becarefully controlled to prevent associated risks.

Agile policy implementation – Any changes in IT policies can be•instantaneously implemented with desktop virtualization. The IT staffneeds to replicate the policy across all the desktop templates and theytake immediate effect.

Ensure compliance – With desktop virtualization, ensuring compliance•is easier given that all systems are centralized in the data center. Applyingcontrols and policies to ensure compliance can be centrally implementedon all end-point VMs. Furthermore, a robust data center infrastructureprovides for data protection, business recovery and disaster recoverycapabilities, essential for regulatory compliance.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco & Citrix approach brings thefollowing benefits that make the desktopvirtualization proposition for secure accessand compliance stronger.

Secure connectivity and multi-•factor authentication – Using theCisco Desktop Virtualization Solutionwith Citrix XenDesktop, IT departmentscan prevent data from leaving the datacenter. Citrix XenDesktop aims toprotect mission-critical data with secureconnectivity and multi-factorauthentication to ensure that onlyauthorized users connect with specifiedapplications and data.

Secure inter VM traffic – The Cisco•Nexus 1000V and Cisco VSG secureinter VM traffic and allow user desktopsegmentation and isolation from mission-critical applications. This allows greatercontrol of what different workgroups areallowed to access, and gives increasedprotection from attacks.

Secure access, anytime, anywhere –•Cisco AnyConnect Secure Mobility andCisco ASA provide ‘always on’ secureconnectivity to virtual desktopenvironments, offering continuous, ITdefined, policy control and enforcement.

Flexible policy enforcement – Role-•based access control with Cisco ISEintegrated with Citrix XenMobile MDMprovides the visibility across user identity,device type and posture to allow granularpolicy based control and enforcementfor both virtual, native and BYOD devices

Single-instance management with•Citrix XenDesktop - This enables ITdepartments to separate the device,operating system, applications, data anduser settings to maintain single masterimages of each. This capabilitydramatically reduces ongoing patchingand maintenance efforts, with usersrunning approved application andoperating system images that havecentrally approved patches and securitysettings.

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Use Case # 2 Enabling BYOD (Bring Your Own Device) and ITSupported Devices

The concept of Bring Your Own Device (BYOD) is gathering pace as mostorganizations realize the potential benefits in terms of cost saving,productivity improvements and flexibility that can be gained by allowingemployees to utilize self-owned devices such as tablets and smartphones forbusiness purposes. This transformation is often led by the seniormanagement team, leaving the IT teams with little choice but to support thetransformation. Enterprises are adopting two approaches to address thistrend. First, by allowing employees access to enterprise networks on self-owned devices, in addition to the standard devices provided by IT. Second,by offering employees a corporate budget to procure a device of their ownchoice. According to a Citrix Bring-Your-Own (BYO) Index, 92 percent of ITorganizations are aware that employees are using their own devices in theworkplace.

Typical challenges & key considerationsAs organizations look at desktop virtualization to enable BYOD, ITexecutives should consider:

Securing enterprise data - Securing enterprise data is a key concern•for IT teams when opening up their IT systems to access by multipleuser-owned devices.

Compatibility concerns - With more users bringing their own•devices, a larger number of disparate platforms are becoming part of theenterprise IT systems, creating a growing number of compatibility issuesfor IT staff to resolve.

Expansion of IT support: Users expect the corporate IT teams to•provide support for the devices that they may use for business purposes.With BYOD, the IT teams could be accountable for supporting a greaternumber of platforms and devices.

Process & People: BYOD is as much about people and processes as it•is about technology. Enterprises need to clearly understand the legal andbusiness implications of the transition and have the right processes tounderpin the initiative. People need to be adequately trained on theappropriate usage as well.

Desktop Virtualization drivers for BYODIn this scenario, desktop virtualization offers IT executives:

A secure corporate only environment: Virtualization allows•enterprises to deliver desktops and applications to user devices straightfrom the data center. Since the data is stored in the data center and noton the client device, it enhances security and adheres to corporategovernance.

Centralized management: Virtual desktops allow centralized•management. Applications run independently of the client platformresolving a large portion of compatibility and device management issuesfor IT teams, thus helping to enhance productivity. In addition, becausedesktops run centrally, IT can maintain the corporate desktop and leavethe support of the devices to the users themselves through the supportcontracts they acquired at the time of device purchase.

Frost & Sullivan

Cisco and Citrix’s Approach

The Desktop Virtualization approach bringsthe following benefits for enterprisesencouraging BYOD:

Cisco Desktop Virtualization•Solution with Citrix XenDesktop aspart of a complete enterprisemobility solution – supports anydevice, anywhere strategies allowingBYOD users to access their desktopapplications from their own smartphones and tablets. In addition, there isno need for IT to have to worry aboutemployee privacy issues, as there is noco-mingling of personal and companydata on the employee's BYO device.

Citrix Receiver, Cisco AnyConnect•and Cisco Jabber support amultitude of devices – to allow secureaccess to corporate desktops,applications and data on a range ofdevices that include laptops, tablets andsmart phones, irrespective of theplatform they run on.

Centralized management with•Citrix XenDesktop - When usingXenDesktop, the device managementfunctions are highly centralized. Forexample, if an application needs to beupdated, administrators only need toupdate the servers and not every singleclient device that employees and partnersbring into the organization, saving theorganization valuable time and money.This also resolves softwareincompatibility issues as well as securityconcerns.

Cisco Identity Services Engine (ISE)•and Citrix XenMobile to SecureAccess control for BYOD – Cisco ISEprovides full network access security andpolicy management by allowing onlyauthorized and clean devices to accessthe network through end-point securitypolicy enforcement and remediationsupport. In addition, ISE integration withCitrix XenMobile delivers enterprisegrade mobile device management(MDM) with role-based management,configuration, security and support forboth corporate and employee-owneddevices.

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Use Case # 3 Ensuring business continuity planning and disasterrecovery

Driven by regulatory compliance and in the aftermath of natural disasterssuch as the Japanese earthquake and Queensland floods, business continuityplanning has emerged as a key priority for IT executives. Providing access tocorporate desktops, applications and services on a 24 x 7 x 365 basis, is amonumental challenge due to the complexity of IT environments and thelikelihood of unforeseen disasters.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for ensuring businesscontinuity planning and disaster recovery, here are a few considerations tobe mindful of:

While the importance of a robust data center infrastructure and DR plan•is increased even further now that both enterprise and user applicationsand data reside there, desktop backup and recovery are much simpler andless costly than transactional enterprise apps. Organizations need tothink about resilience of both application / data and communicationsservices in order to ensure continued business productivity.

Building a business case for Business Continuity Planning (BCP) and•providing a solid ROI model can often be challenging for manyorganizations.

In the case of an external service provider providing user workspace as•a service, issues of trust, compliance and data sovereignty assume highimportance.

Desktop virtualization drivers for business continuityIn this scenario, desktop virtualization offers IT executives the followingability:

“Always on” workspaces – Centralization of desktops ensures that•workspaces are available for use from anywhere. If the data centerinfrastructure is run in a redundant mode (with primary and backupcenters), the IT resources are available to employees on an on-demandbasis, from any device, even in case of disasters.

Adherence to compliance – By making critical systems available on a•continual basis, organizations will be able to comply with corporategovernance guidelines pertaining to availability of critical infrastructure.

Continued productivity – By ensuring continued access to•applications, communications and data, businesses can be resilient duringnatural or man-made disruptions, thereby minimizing any potential loss ofrevenues. Desktop virtualization enables IT organizations to rapidlyrecover user desktop environments and get them up and running on anew device. In the case where transport is impacted or an office is closed,users can still access their work from a remote location.

Speedy recovery from disasters – Organizations have an option of•using a traditional approach to computing under normal circumstancesand can leverage an external service provider during disasters. Such ahybrid approach will ensure access to workspace environments on an “asneeded basis” while giving users quick access to the same desktop andapplications that they are familiar with.

Frost & Sullivan

Cisco and Citrix’s Approach

The desktop virtualization approach bringsthe following benefits for business continuity.

Platform and device independence•– Citrix and Cisco work with a widevariety of partners supporting diverseend-user devices, client operatingsystems and applications, therebyoffering customers’ flexibility indeployment and replacement of lost orstolen devices.

On-demand desktop delivery with•Citrix XenDesktop – With FlexCastand Receiver, enterprises can deliver on-demand services that can be accessedfrom traditional PCs, Macs, thin clients,smart phones, and tablets. This ensuresthat desktops can be accessed frommultiple locations and devices, enablingdisaster recovery and businesscontinuity.

Data Center Recovery- In the case•of data center disruptions – disasterrecovery and data center interconnecttechnologies with Cisco and Citrix canhelp bring virtual desktops back on-linerapidly.

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Use Case # 4 Empowering Mobile Workers and Enhancing UserProductivity

Workspaces have changed significantly over the last decade. We no longer just workfrom our desks in a central office, but we also work from airport lounges, homes,and hotel rooms. Over 25% of the workforce in a typical enterprise can be definedas mobile (i.e. they spend more than one-fifth of their time outside the office).

The need to enable this workforce with the same set of tools, applications andcommunications as if they were at the office becomes a key priority to ensureemployee productivity and business agility. Many of the mobile workers are seniorexecutives and sales teams for whom staying connected with the enterpriseapplications and collaboration tools is critical for the business.

IT executives need to be able to provide for the mobility needs of these users byenabling mobility of the complete workspace across devices and locations, and also,in some cases, manage and support the mobile devices themselves.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for mobile workers, IT should bemindful of:

The need for a consistent mobile workspace experience across different•corporate-owned and employee-owned devices.

High latency or inability to use rich collaboration tools can become a major•challenge.

Mobile workers are used to quick response times for desktop applications,•and hence latency in application access will become counter-productive forthe users.

IT executives need to consider the option of user-owned mobile devices or•enterprise-owned mobile devices depending on the nature and frequency ofmobile access. In fact, by introducing centralized device management, bothmanaging and securing endpoints will become easier, thereby, eliminating thedistinction between the two categories.

Desktop virtualization drivers for mobile workersIn this scenario, desktop virtualization is a good solution for mobile workers asit provides:

Consistent application experience – As mobile workers toggle between their•desktop/laptops to their mobile or tablet devices, desktop virtualization canensure a consistent application and desktop experience for the users.

Secure access to applications – Desktop virtualization enables applications to•be accessed by the authorized user, and the security policies of the enterpriseare enforced on any connecting device.

Virtual workspace anytime, anywhere – Desktop virtualization allows users to•access their desktop, applications and data anytime from anywhere. The userscould be outside the office, at a remote location (such as a customer office,an airport lounge, home, or hotel room) and still access the same workspaceexperience.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach bringsthe following benefits that make thedesktop virtualization proposition formobile workers stronger.

Anywhere, anytime, any•device access with CitrixXenDesktop and Receiver –The Cisco Desktop VirtualizationSolution with Citrix XenDesktopprovides desktops and applicationsas on-demand services that can beaccessed from traditional PCs,Macs, thin clients, smart phones,and tablets. The solution enablesuser mobility and high employeeproductivity.

Cisco Collaboration solutions•with Jabber – Cisco’s breadth ofcollaboration solutions are alsoavailable on a broad range of fixedand mobile end user devices. Theability to use tablets and smartphones for rich videocollaboration sessions has becomeimportant for executives and salesteams.

Secure access with Citrix•XenDesktop and CiscoAnyConnect and Cisco ASA –can quickly and securely deliverindividual applications or completedesktops to users leveragingmobile devices across differentwireless networks.

Performance Optimization•with Cisco WAAS – Throughpartnership with Citrix, CiscoWAAS optimizes performance ofCitrix HDX including support forMultiStream for mobile usersthrough compression, caching andtraffic prioritization.

Location-based policy control•with Cisco ISE – ensures thatsecurity and compliance rules canbe applied based on device use andlocation

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Use Case # 5 Enhancing IT staff productivity, and simplifying ITmanagement

IT staff within companies are usually divided into many disciplines suchas server, desktop, communications, networking, etc. As the size of anorganization’s infrastructure grows, so does its requirement for IT staff.This puts a strain on the organizational resources and makes day-to-daymanagement complex. Organizations also need to keep IT staffproductive through varying cycles of deployment and servicing requests.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for IT staff productivity, ITshould be mindful of:

Desktop virtualization changes the IT infrastructure significantly, and•IT disciplines that were once distinct, need to work much closertogether to ensure better performance.

While implementing desktop virtualization, IT staff may be required•to learn new skills due to introduction of new concepts and theintegration of multiple IT aspects.

Desktop virtualization drivers for IT staff productivityIn this scenario, desktop virtualization offers IT executives the abilityto:

Centralize support: In a non-virtual environment, IT support staff•are usually located in each branch office to service requests fromlocal users. A desktop virtualization environment reduces the needfor local support staff by having a centralized architecture. Thisenables support staff sitting in the headquarters of a company toeasily manage virtual desktop images and service requests at remotelocations.

Centralize procurement: Procurement of IT hardware and•software is usually done according to the local or regional policies ofeach organization. This can sometimes be a challenge in terms ofapplication or hardware compatibility and can reduce efficiency of IT.With desktop virtualization, all IT requirements can be procuredfrom a central location, thus increasing homogeneity and simplifyingthe procurement process.

Centralize maintenance: With desktop virtualization, client•hardware is drastically simplified while the software can be managedfrom a central location with much greater control and precision. Thissaves time and reduces the need to have a large IT staff to addressmultiple helpdesk calls. The saved time can be reassigned to activitiesthat are more productive.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach brings thefollowing benefits that make the desktopvirtualization proposition for IT staff productivitystronger.

Simplify infrastructure operations -•Cisco UCS delivers unified infrastructuremanagement that streamlines server andvirtual desktop provisioning – supporting upto 30,000 virtual desktops in a singlemanagement domain. It allows for quickerdeployment of servers and virtual desktops.In addition, the unified compute architectureresults in much fewer servers, switches andcables to manage, again increasing operationalefficiencies.

FlexCast allows IT departments to•meet user demands with ease – CitrixXenDesktop FlexCast delivery technologyprovides a range of desktop delivery optionsthat can be tailored to meet the needs ofspecific users or groups of users, with differingperformance and personalizationrequirements. With FlexCast technology, ITdepartments can deliver every type of virtualdesktop and application, hosted or local,physical or virtual, each specifically tailored tomeet the requirements of individual users.

Single instances enhance management•- With Citrix XenDesktop, IT departmentscan manage single instances of each operatingsystem, application and user profile and thendynamically assemble them to greatly simplifydesktop management. XenDesktop’s openarchitecture enables customers to easilyadopt desktop virtualization using anyhypervisor, storage, or managementinfrastructure.

Faster time to productivity and•improved business agility – Customerscan achieve faster server deployment andvirtual desktop provisioning with CitrixXenDesktop, and Cisco UCS. They will beable to provision thousands of workspaces inminutes with rapid, storage-based cloning andserver service profiles.

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Use Case # 6 Windows 7 and Windows 8 migration

As businesses look to upgrade to Microsoft Windows 7 and 8, in order to takeadvantage of its latest features, enhanced security, and simplicity, two keyconcerns emerge – cost and complexity. Upgrading an operating system usuallyrequires a PC hardware refresh, which can be very expensive, and requires allexisting applications to be tested in the new operating system to ensurecompatibility.

This is necessary to ensure the new operating system can run older or customapplications with better performance.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for Windows 7 and 8 migration,IT should be mindful of:

Windows licensing for desktop virtualization needs to be considered•carefully to ensure cost comparisons for the initiative are accurate. Movingto a virtual desktop solution requires a re look at the licensing agreementsfor the Operating System and the proprietary software being consumed bythe users.

Desktop virtualization drivers for Windows 7 and 8 migrationIn this scenario, desktop virtualization offers IT executives the ability to:

Lower long-term costs – With desktop virtualization client machines no•longer need to be full-fledged desktop systems. Thin or zero clients that arenetworked to a centralized data center can help reduce costs on hardwarein the long term by a significant amount. This extends the hardware refreshcycle that is usually necessary when upgrading the operating system. Also,with the desktop being run from the data center, using a legacy desktopsystem does not affect performance.

Application virtualization – Porting applications from a previous•version of Windows can be challenging, especially when using customapplications that require older software versions. When moving to a virtualenvironment, businesses have the option of virtualizing existingapplications, which removes the dependency of applications from theunderlying operating system. Users are able to run older applications suchas Internet Explorer 6, which is sometimes necessary when runningcustom-built software.

Centralized administration and management – Moving to a virtual•desktop will separate the underlying hardware from the software. Thismakes it easier to handle software or hardware issues and provides theability to run a single Windows 7/8 image across different hardware types.

Reduce implementation process time – Implementing a new operating•system requires a significant amount of time due to the extensive testingrequired, as well as rolling out upgrades to hundreds of desktops. Withdesktop virtualization, this process is greatly simplified due to itscentralized architecture and updates can be rolled out all at once.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach brings thefollowing benefits that make the desktopvirtualization proposition for Windows 7and 8 migration stronger.

High Density Windows Virtual•Desktop Hosting - Windows 7 and8 need high memory and processingrequirements from the underlyinghardware. Cisco UCS Intel Xeonprocessors, extended memory andunified fabric result in a balancedinfrastructure to support hundreds ofWindows virtual desktops on a singleserver.

Complete Windows desktop•delivery with Citrix XenDesktop– Users can access a high-performance Windows experiencevia PC, Mac, smart phone, iPad,netbook or thin client, and desktopscan follow users from device todevice—even to the same ones theyuse in their personal lives — whilemaintaining complete security andisolation.

Citrix XenDesktop separates•applications from OS andhardware – The separation allowsIT to undertake rapid migration toWindows 7 or Windows 8 byeliminating the need to upgrade enduser devices. Furthermore, Citrix’sability to run session-basedapplications allows users to runincompatible applications on theserver. For example, withXenDesktop, organizations can run16-bit applications in a 64-bitWindows 7 environment

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Use Case # 7 Branch enablement

IT infrastructures in branches including regional offices, retail stores, banksand remote agencies, might give users good application availability andperformance, but managing a distributed IT environment can be complexand expensive. A distributed IT environment also increases the security riskof information loss, if proper controls are not enforced. Furthermore, it ischallenging to replicate current policies and security postures across futurebranch expansions. It also slows down the ability to deploy new branches.

An increasingly viable alternative is to consolidate the branch-office ITresources into a single, centralized data center to simplify management anddecrease operating costs while maintaining reliability and performance.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for branch officeenablement, IT executives should be mindful of:

Ensuring a LAN like speed in a WAN is extremely challenging due to•the laws of physics, and latency that is created due to round-trip timebetween the users and the applications.

Cultural and linguistic challenges may hamper adoption, particularly in•scenarios where users are accustomed to a local support team thatspeaks their language and are available in person.

Desktop virtualization drivers for branch office enablementIn this scenario, desktop virtualization offers IT executives the followingability:

Centralization and control – By centralizing servers and storage,•the IT team can have complete control over data. Centralization alsohelps in enforcing policies to users, in line with the corporategovernance framework, thereby ensuring adherence to regulatorycompliance laws.

Standardization – By making the desktops centralized, IT managers•are now able to standardize the desktops that can be delivered tousers over the networks, allowing them to maintain easier control overlicensing, patch management and application usage.

Rapid application rollout – Due to centralization, application•installation and upgrades can happen in a short span of time with no orlittle downtime to end users. Organizations are able to saveconsiderable costs through reduced downtime and quicker time tomarket.

Rapid employee on boarding – Because new users are provided a•virtual desktop, and there is no need to physically send a formatted andconfigured laptop. New workers, consultants and contractors (and evencomplete new branches) can be on-boarded much more rapidly.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach brings the followingbenefits for branch enablement.

Branch and desktop virtualization•planning and design - Cisco branch anddesktop virtualization planning and designservices helps customers virtualize thebranch-office and desktop infrastructure aswell as assess important applications that aresuitable for the virtualized infrastructure. Ithelps them develop a financially viable strategyand create a phased roadmap, and supportsthem through design and deployment.

Cisco Branch-Office-in-a-Box – This is a•unified routing, switching, and server solutionfor the branch office that combines a WANaccess router, a Gigabit LAN Switch, and anx86 blade server in a single Cisco IntegratedServices Routers (ISR G2) router. Branch-Office-in-a-Box is a solution for providingaccess to the WAN and the Internet, enablingLAN connectivity between local devices, andhosting popular Windows services such asactive directory, DHCP and DNS.

Branch Survivability and Performance•for both Voice and Virtual Desktops –The coming together of solutions such assurvivable remote site telephony, WANredundancy and the elimination of a singlepoint of failure creates a highly resilientsolution. The ability to overcome the hairpineffect for voice and video results in a superioruser experience for branch workers.

Citrix XenDesktop with HDX enables•enhanced user experience – The HDXtechnology enables high definition desktopexperience across branch offices over localperipherals, voice and video, creating a richend-user experience.

Cisco Wide Area Application Services•(WAAS) optimized for CitrixXenDesktop – Cisco WAAS enablescustomers to accelerate their desktopvirtualization rollouts at branch offices. Itoffers optimization of Citrix XenDesktoptraffic, which includes Citrix XenAppvirtualized applications, over the WAN, tosupport more virtual desktop sessions andenhance the end-user experience. WAAS canbe deployed in a variety of form factorsincluding virtual appliance, physical applianceand ISR G2 router module collaboration atbranch locations.

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Use Case # 8 Right-sizing the Solution to the Desktop VirtualizationUse case Deployment Requirement

One of the traditional obstacles to desktop virtualization deployments has beenthe cost of deploying data center storage. Now instead of monolithic one-size-fits-all storage architectures, IT is looking to employ new storage technologiesthat can substantially reduce costs, while enhancing density and maintaining highperformance and scalability.

Typical challenges & key considerationsAs organizations look at storage solutions for desktop virtualization, theyshould be mindful of the following:

There is no one-size-fits-all infrastructure that can meet the needs of every•user in every business. For example, the desktop and business requirementsfor mobile users, call center or training center employees (oftencategorized as task workers), accountants, marketing, human resourcesemployees (often categorized as knowledge workers), or designers withneeds for high-powered graphics are all very different. The business requiresa greater level of security for mobile workers because they arepredominately accessing the desktop from a network external to thecorporate network. Task workers, such as call center employees, interactwith the same one or two applications while they work, so desktops thatare non-persistent are cost-effective and work well for these users. On theother hand, knowledge workers tend to use many different applications andwork both within the corporate network and from other locations.Knowledge workers need a more flexible and persistent desktopenvironment. As a result, optimized configurations and architectures areessential to address different delivery models, user workloads, scalability,and performance needs.

Desktop virtualization drivers for different use cases andorganizationsIn this scenario, Cisco and Citrix desktop virtualization offers IT thefollowing:

An Architecture Portfolio: To assist desktop IT managers in their mission•and accelerate desktop virtualization deployments, Cisco, Citrix and theirpartners have developed four reference architectures that combine best-in-class data center computing, networking, and storage technologies. Thereference architectures help to simplify, accelerate, and eliminate the risksassociated with desktop virtualization deployments. These Cisco DesktopVirtualization reference architectures include the On-Board Architecture,Simplified Architecture, Scalable Architecture, and ConvergedInfrastructure. These reference architectures address a spectrum of ITchallenges, desktop environments, and delivery approaches to enable high-performance, easy-to-manage, and cost-effective solutions.

A Broad Ecosystem: Taking advantage of enhanced UCS features and•expanding the eco-system of storage partners including Atlantis Computing,Fusion-io, LSI, Nexenta, Nimble Storage and Tegile, Cisco is defining abroader portfolio of data center architectures for delivering desktopvirtualization solutions with Citrix.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach enablesstronger unified communications.Desktop virtualization requires a portfolioof solution architectures to address thefull spectrum of business and user needsto effectively deploy virtual desktops andapplications. Cisco Desktop VirtualizationSolutions with Citrix offer a suite ofsolution architectures for desktopvirtualization, each optimized for specificconstraints and IT delivery models forenvironments of all sizes:

Cisco® On-Board Architecture•for non-persistent virtual desktopswith integrated server-residentstorage and management

Cisco Simplified Architecture•for persistent and non-persistentvirtual desktops in an appliance-likeconfiguration without the costsassociated with a full SANnetworking deployment.

Cisco Scalable Architecture for•persistent and non-persistent virtualdesktops in a multi-thousand desktopscale-out configuration forenvironments with existing SANinvestments.

Cisco Converged Infrastructure•with modularized infrastructurepackaging that acceleratesprocurement and simplifies virtualdesktop infrastructure (VDI)management, scaling, and support.

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Use Case # 9 Supporting business goals for reduced IT costs

Desktop/PC procurement, provisioning, management and maintenance(upgrades, migrations, etc.) are significant cost components of the overall ITspend for an enterprise. Many IT executives are considering ways to reducethis cost, and are looking to desktop virtualization as a powerful alternative.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for reducing costs, IT shouldbe mindful of:

Not compromising on the user experience, which includes rich media•collaboration.

Total cost of ownership - As desktops get packed into servers in a data•center, organizations need to be wary of the associated costs of space,power and cooling.

Incremental cost of bandwidth, due to additional two-way traffic between•the users and the data center.

Desktop virtualization drivers for cost reductionIn this scenario, desktop virtualization offers IT executives the ability to:

Reduce procurement cost of desktops – Centralized compute•services in the data center eliminate the need to have desktops orlaptops for all employees. Only desktop monitors and keyboards, i.e. thinclients, will be required, but the CPU, which is bulk of the cost, isreduced. Alternatively, organizations can take a BYOD approach and offera fixed compensation for users to buy and manage their own devices.

Reduce management/support cost of desktops – With desktop•virtualization, IT will be able to centrally and remotely manage thedesktop and its applications, hence having more control over the deviceand reducing management costs.

Reduce the cost of provisioning desktops – With desktop•virtualization, setting up new desktops becomes very easy through thecentralized management console, and provisioning of a virtualized end-point. The cost of Move-Add-Change is also reduced, as the desktops arenow virtual and centrally serviced.

Reduce cost of refreshing desktops – As enterprises decide to move•from XP to Windows 7/8 (OS migration), or look to refresh old desktopswith new powerful computing devices, the traditional approach ofchanging every desktop to meet the new minimum requirements becomesvery expensive. With desktop virtualization, enterprises are able toextend desktop lifecycle and manage and future desktop OS migrationsmore easily.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach brings thefollowing benefits that make the costreduction argument of desktop virtualizationstronger.

UCS memory architecture means•fewer servers – Cisco can pack 60%more virtual machines on a server, thusproviding the ability to reduce costsfurther as a single server can handlemore desktops. With the latest CiscoUCS innovations with M200 M3 blades,up to 186 Citrix XenDesktop virtualdesktops with knowledge workerprofiles can be set up per blade. From adata center standpoint, this meansfewer servers, less power & coolingcosts, and less management costs.

Lower Integration and Support•Costs – through end-to-end validateddesigns, services and support. BecauseCisco and Citrix publish Cisco ValidatedDesigns (CVD) and ReferenceArchitecture Designs for the joint Ciscoand Citrix solutions that are constantlyupdated, IT can deploy desktopvirtualization with lower investment inintegration and testing. IT can also takeadvantage of the expertise and supportfor the complete solution, includingthird party technologies.

Citrix XenDesktop lowers•desktop management costs –XenDesktop provides a consistentarchitecture and managementframework across application anddesktop virtualization for greateroperational efficiency. XenDesktop canalso help IT departments control dataaccess, reduce the number of desktopimages that need to be managed,eliminate system conflicts, and reduceapplication regression testing.

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Use Case # 10 Enabling Agile Businesses

The business environment today is highly dynamic. This is makingincreasing demands on the organization’s internal infrastructure, whichneeds to scale rapidly to meet the increasing business demands.However, scale is no longer the sole criterion. Infrastructure todayneeds to be highly agile and flexible, i.e., it needs to support rapidresponse and the ability to change according to evolving businessrequirements, while at the same time keeping costs low.

Typical challenges & key considerationsAs enterprises look at desktop virtualization for business agility, ITshould be mindful of:

Migration to a virtualized environment can be a challenging•activity and needs to be carefully planned to ensure a smoothtransfer of all user data into the virtualized environment.

Slow or unreliable connectivity may lead to latency and reduce•performance. It is necessary to ensure that the networkinfrastructure is secure.

Training is very important, helping users work efficiently in a•virtualized environment and leveraging the flexibility it offers.

Desktop virtualization drivers for business agilityIn this scenario, desktop virtualization offers IT executives the abilityto:

Rapidly roll out new desktops - Virtualization allows•businesses to rapidly roll out desktops and applications for agrowing work force, consultants or partner workgroups withcomplete automation. Hence, the time to go live at new locationsis significantly reduced.

Meet changing business demands – Since the compute and•storage reside in the data center, there is no need to constantlyupgrade user hardware. It can easily be provisioned at the serverby the IT staff. This also lowers hardware refresh cycles.

Limited requirement for local support – Desktop•virtualization is enabling businesses to set up remote offices in aswift manner, with limited IT staff.

Anywhere anytime access – With desktop virtualization,•businesses are finding it easier to support virtual desktops with avariety of devices, based on preferences of the global workforce.The hardware agnostic nature allows compatibility with a myriadof end-user devices, providing anywhere anytime access to users.

Support all devices – Through desktop virtualization, businesses•can support all types of endpoint devices that are available in themarket today, eliminating the need to define a standard set ofdevices. Furthermore, when the next ‘must-have’ gadget becomesavailable, it is almost instantly possible to access the user’sworkspace on it.

Frost & Sullivan

Cisco and Citrix’s Approach

The Cisco and Citrix approach brings the followingbenefits for agile businesses.

Enables rapid deployment - The Cisco and•Citrix solution dramatically speeds thedeployment of virtual desktops and virtualapplications, reducing the time it takes to giveemployees the tools they need to becomeproductive. Policy-based deployment enablesjust-in-time provisioning of both virtual desktopsand the underlying Cisco UCS infrastructure.With UCS Manager Service Profiles andXenDesktop template, configuration is easy andmultiple desktops may be instantaneouslyprovisioned from the same template.

Cisco Validated Designs (CVD) for•Desktop Virtualization with Citrix helpexpedite deployment – CVD encapsulatesdesign considerations and guidelines for end-to-end VDI deployment, supported by referencearchitectures and best practices. The periodicCVD refreshes also ensure that new business-enabling innovations can be rapidly introduced.

Citrix FlexCast delivery technology –•Different types of workers across the enterprisehave different performance and personalizationrequirements - some require simplicity andstandardization, while others need highperformance or a fully personalized desktop. Thesolution can address these requirements in asingle solution thanks to FlexCast deliverytechnology.

Any device, anytime, anywhere - Using•Citrix Receiver as a lightweight universal client,Citrix XenDesktop users can access theirdesktop and corporate applications from anyPC, Mac, thin client, or smart phone. Thissolution enables workplace flexibility, businesscontinuity, and user mobility.

Open Architecture - Cisco Desktop•Virtualization with Citrix XenDesktop isvalidated with multiple hypervisor and storageinfrastructures, enabling IT departments to usetheir current infrastructure investments whileproviding the flexibility to add or changehypervisors in the future. It supports XenServer,Hyper-V, and vSphere hypervisors as well asNetApp and EMC storage and other ecosystempartners.

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I (1) INTEGRATED SOLUTION - THE BOTTOM LINE

Desktop and application virtualization are major trends in the industry and arebeing considered by many technology executives and IT decision makers across theglobe as ways to enhance business agility and flexibility, reduce costs, manage andsupport desktops easily, and enable better security measures on desktops andapplication/data access.

The Cisco Desktop Virtualization Solution with Citrix XenDesktop brings togetherbest-of-breed virtualization technologies along with networking and data centerinfrastructure. This collaborative approach can ensure smooth, seamless delivery ofvirtualized desktops and a portfolio approach that provides the choice of solutionthat best fits the needs of individual organizations. By recognizing the nature ofdesktop virtualization, where multiple solutions and vendors are coming togetherto deliver the solution, Cisco and Citrix are taking the initiative to offer a singleintegrated solution for the customer with end-to-end tested, validated anddocumented solutions and support. The joint solution provides a secure, seamless,flexible and centralized virtual desktop environment that addresses many of thevaried needs of today’s organizations.

Frost & Sullivan

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Frost & Sullivan

CONCLUSION

While desktop virtualization brings some obvious benefits, IT executives should consider a fewthings as they embark on this initiative.

Our workspace is changing – we no longer work just at our desks, and we are•collaborating a lot more. Hence, it is critical for IT executives to consider their desktopvirtualization initiative as an important component of an overall enterprise mobility solutionthat enables multiple device work-styles, seamlessly from any location and delivers a richmedia collaboration experience.

User expectations are high – we expect things to work now. Users expect to access•content from where ever they want, but this convenient access must not come at the expenseof compromised corporate security. IT staff must be able to apply appropriate levels ofsecurity and access control even as they improve the experience for mobile users. Latency onapplication access and a LAN-like performance for remote users are becoming baseexpectations. IT executives need to ensure that the desktop virtualization initiative does notbecome counter-productive for users by ensuring the end-to-end performance across datacenter and network infrastructures.

Need for an end-to-end solution – with desktop virtualization dependent on multiple•factors, as discussed earlier, it is essential to choose a solution that has been tried and testedin the past and has been successful in meeting the varying needs of enterprises underdifferent use cases. As enterprises and external environments evolve over time, a solutionshould be capable of keeping up with the changing requirements. Furthermore, one integratedsolution removes the hassle of dealing with multiple vendors if an issue arises, and deliverspost-installation support that optimizes application performance for end users using desktopvirtualization.

Given the advantages of desktop and application virtualization, it is essential to evaluate thebenefits that the solution can bring to your business. The Cisco Desktop Virtualization Solutionwith Citrix XenDesktop delivers a solution that addresses a common vision for the changingworkplace. With the support of these vendors, the time is right to embrace desktop virtualization.

About CisCo

Cisco, (NASDAQ: CISCO), is the worldwide leader in IT that helps companies seize the opportunities oftomorrow by proving that amazing things can happen when you connect the previously unconnected.

Founded in 1984, Cisco pioneered the development of Internet Protocol (IP)-based networking technologies. Thistradition continues with the development of routing, switching, and other networking-based technologies such ascollaboration, data center, security, service provider video products, and wireless. All of these technologies aremade possible due to the evolution of the network.

As an innovator in the communications and information technology industry, Cisco and our valued partners sellCisco hardware, software, and services to businesses of all sizes, governments and service providers.

Learn more at www.cisco.com

About Citrix

Citrix (NASDAQ: CTXS) is the cloud company that enables mobile work styles—empowering people to work and

collaborate from anywhere, securely accessing apps and data on any of the latest devices, as easily as they would

in their own office. Citrix solutions help IT and service providers build clouds, leveraging virtualization and

networking technologies to deliver high-performance, elastic and cost-effective cloud services. With market-

leading solutions for mobility, desktop virtualization, cloud networking, cloud platforms, collaboration and data

sharing, Citrix helps organizations of all sizes achieve the speed and agility necessary to succeed in a mobile and

dynamic world. Citrix products are in use at more than 330,000 organizations and by over 100 million users

globally. Learn more at www.citrix.com.

For more information on Cisco Desktop Virtualization Solution with Citrix XenDesktop, visit www.cisco.com/go/citrix

For more information on Citrix and Cisco solutions, visit www.cisco.com/go/citrix or www.citrix.com/cisco

ABOUT FROST & SULLIVAN

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